diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a7f514f
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,18 @@
+name: CI
+on:
+  push:
+    branches:
+      - main
+      - r[1-9]
+  pull_request:
+    branches:
+      - main
+      - r[1-9]
+jobs:
+  build-and-push-exponential-smoothing-predictor:
+    name: Build and push exponential-smoothing-predictor
+    uses: eu-nebulous/github-actions/.github/workflows/build-and-push-container-image.yml@main
+    with:
+      context: exponential-smoothing-predictor
+      image-name: exponential-smoothing-predictor
+    secrets: inherit
diff --git a/java-spring-boot-demo/.gitignore b/java-spring-boot-demo/.gitignore
deleted file mode 100644
index 549e00a..0000000
--- a/java-spring-boot-demo/.gitignore
+++ /dev/null
@@ -1,33 +0,0 @@
-HELP.md
-target/
-!.mvn/wrapper/maven-wrapper.jar
-!**/src/main/**/target/
-!**/src/test/**/target/
-
-### STS ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-
-### IntelliJ IDEA ###
-.idea
-*.iws
-*.iml
-*.ipr
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-build/
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### VS Code ###
-.vscode/
diff --git a/java-spring-boot-demo/Dockerfile b/java-spring-boot-demo/Dockerfile
deleted file mode 100644
index 427e30e..0000000
--- a/java-spring-boot-demo/Dockerfile
+++ /dev/null
@@ -1,15 +0,0 @@
-#
-# Build stage
-#
-FROM docker.io/library/maven:3.9.2-eclipse-temurin-17 AS build
-COPY src /home/app/src
-COPY pom.xml /home/app
-RUN mvn -f /home/app/pom.xml clean package
-
-#
-# Package stage
-#
-FROM docker.io/library/eclipse-temurin:17-jre
-COPY --from=build /home/app/target/demo-0.0.1-SNAPSHOT.jar /usr/local/lib/demo.jar
-EXPOSE 8080
-ENTRYPOINT ["java","-jar","/usr/local/lib/demo.jar"]
diff --git a/java-spring-boot-demo/pom.xml b/java-spring-boot-demo/pom.xml
deleted file mode 100644
index 76e0f0e..0000000
--- a/java-spring-boot-demo/pom.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.1.0</version>
-        <relativePath/> <!-- lookup parent from repository -->
-    </parent>
-    <groupId>com.example</groupId>
-    <artifactId>demo</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
-    <name>demo</name>
-    <description>Demo project for Spring Boot</description>
-    <properties>
-        <java.version>17</java.version>
-    </properties>
-    <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-web</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-</project>
diff --git a/java-spring-boot-demo/src/main/java/com/example/demo/DemoApplication.java b/java-spring-boot-demo/src/main/java/com/example/demo/DemoApplication.java
deleted file mode 100644
index 094d95b..0000000
--- a/java-spring-boot-demo/src/main/java/com/example/demo/DemoApplication.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.example.demo;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-@SpringBootApplication
-public class DemoApplication {
-
-    public static void main(String[] args) {
-        SpringApplication.run(DemoApplication.class, args);
-    }
-
-}
diff --git a/java-spring-boot-demo/src/main/java/com/example/demo/DemoController.java b/java-spring-boot-demo/src/main/java/com/example/demo/DemoController.java
deleted file mode 100644
index 61a5075..0000000
--- a/java-spring-boot-demo/src/main/java/com/example/demo/DemoController.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.example.demo;
-
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-@RestController
-public class DemoController {
-
-    @RequestMapping("/")
-    public Object root() {
-        return null;
-    }
-
-}
diff --git a/java-spring-boot-demo/src/main/resources/application.properties b/java-spring-boot-demo/src/main/resources/application.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/java-spring-boot-demo/src/test/java/com/example/demo/DemoApplicationTests.java b/java-spring-boot-demo/src/test/java/com/example/demo/DemoApplicationTests.java
deleted file mode 100644
index eaa9969..0000000
--- a/java-spring-boot-demo/src/test/java/com/example/demo/DemoApplicationTests.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.example.demo;
-
-import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
-
-@SpringBootTest
-class DemoApplicationTests {
-
-    @Test
-    void contextLoads() {
-    }
-
-}
diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
deleted file mode 100644
index ca5a766..0000000
--- a/zuul.d/jobs.yaml
+++ /dev/null
@@ -1,73 +0,0 @@
-- job:
-    name: nebulous-exponential-smoothing-predictor-build-container-images
-    parent: nebulous-build-container-images
-    dependencies:
-      - name: opendev-buildset-registry
-        soft: false
-    provides:
-      - nebulous-exponential-smoothing-predictor-container-images
-    description: Build the container images.
-    files: &image_files
-      - ^zuul\.d/jobs\.yaml$
-      - ^exponential-smoothing-predictor/
-    vars: &image_vars
-      promote_container_image_job: nebulous-exponential-smoothing-predictor-upload-container-images
-      container_images:
-        - context: exponential-smoothing-predictor
-          registry: quay.io
-          repository: quay.io/nebulous/exponential-smoothing-predictor
-          namespace: nebulous
-          repo_shortname: exponential-smoothing-predictor
-          repo_description: ""
-
-- job:
-    name: nebulous-exponential-smoothing-predictor-upload-container-images
-    parent: nebulous-upload-container-images
-    dependencies:
-      - name: opendev-buildset-registry
-        soft: false
-    provides:
-      - nebulous-exponential-smoothing-predictor-container-images
-    description: Build and upload the container images.
-    files: *image_files
-    vars: *image_vars
-
-- job:
-    name: nebulous-exponential-smoothing-predictor-promote-container-images
-    parent: nebulous-promote-container-images
-    description: Promote previously uploaded container images.
-    files: *image_files
-    vars: *image_vars
-
-- job:
-    name: nebulous-exponential-smoothing-predictor-hadolint
-    parent: nebulous-hadolint
-    description: Run Hadolint on Dockerfile(s).
-    vars:
-      dockerfiles:
-        - exponential-smoothing-predictor/Dockerfile
-
-- job:
-    name: nebulous-exponential-smoothing-predictor-helm-lint
-    parent: nebulous-helm-lint
-    description: Run helm lint on Helm charts.
-    vars:
-      helm_charts:
-        - ./charts/nebulous-exponential-smoothing-predictor
-
-- job:
-    name: nebulous-exponential-smoothing-predictor-apply-helm-charts
-    parent: nebulous-apply-helm-charts
-    dependencies:
-      - name: opendev-buildset-registry
-        soft: false
-      - name: nebulous-exponential-smoothing-predictor-build-container-images
-        soft: true
-      - name: nebulous-exponential-smoothing-predictor-upload-container-images
-        soft: true
-    requires:
-      - nebulous-exponential-smoothing-predictor-container-images
-    description: Deploy a Kubernetes cluster and apply charts.
-    vars:
-      helm_charts:
-        nebulous-exponential-smoothing-predictor: ./charts/nebulous-exponential-smoothing-predictor
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
deleted file mode 100644
index 266089d..0000000
--- a/zuul.d/project.yaml
+++ /dev/null
@@ -1,20 +0,0 @@
-- project:
-    check:
-      jobs:
-        - opendev-buildset-registry
-        - nebulous-exponential-smoothing-predictor-helm-lint
-        - nebulous-exponential-smoothing-predictor-build-container-images
-        - nebulous-exponential-smoothing-predictor-hadolint
-        - nebulous-platform-apply-helm-charts
-        - nox-linters
-    gate:
-      jobs:
-        - opendev-buildset-registry
-        - nebulous-exponential-smoothing-predictor-helm-lint
-        - nebulous-exponential-smoothing-predictor-upload-container-images
-        - nebulous-exponential-smoothing-predictor-hadolint
-        - nebulous-platform-apply-helm-charts
-        - nox-linters
-    promote:
-      jobs:
-        - nebulous-exponential-smoothing-predictor-promote-container-images